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The PMAG 20 LR/SR GEN M3 brings many of the M3 improvements to the 20-round 7.62 NATO/.308 Winchester SR-25 magazine form factor and replaces the previous generation MAG243 in the Magpul line. We then insert a block inside the spring to limit capacity to 10rounds without impacting the spring rate, preserving function and reliability. The floorplates are then attached using an ultrasonic welder and a toughened adhesive designed to withstand heat and shock, preventing disassembly and reversal of the modification.

The 7.62x51 NATO (.308 Winchester) PMAG 20 LR/SR GEN M3 is a lightweight, cost effective, high reliability magazine for SR25/M110 pattern rifles featuring constant-curve body, anti-tilt follower, and snap on Impact/Dust Cover. Designed specifically for military-issue MK11/M110 rifles and SAAMI-spec ammunition, the PMAG 20LR/SR is less than half the weight of standard issue steel magazines and maintains a service life round count approximately equal to the rifle barrel itself.

Midwest PX, LLC is a family-owned retailer of high quality AR15 parts, accessories and complete firearms. Since 2009, we have worked to provide high quality parts from many of the industry's leading manufacturers at fair prices and with excellent customer service. Whether you're a veteran AR15 shooter or just getting started, you'll find what you need at MidwestPX.com If you don't, please give us a call or send us an email and we'll do our best to get you taken care of.